Details of experiments between P31947 and Q9Y4H2
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 427-436
Protein B site: 14-3-3_pSer432
Protein B modification: (SEP)432
Protein B sequence: HSRSMSMPVA
Protein B construct: HSRSM(pSer)MPVA (crude synthetic peptide)

Measured dissociation constant (10-6M): <100
Immobilized partner concentration in holdup experiment (10-6M): 111
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 1
Measured pKd: 4


Experiment series 2

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 574-583
Protein B site: 14-3-3_pThr579
Protein B modification: (TPO)579
Protein B sequence: RTYSLTTPAR
Protein B construct: RTYSL(pThr)TPAR (crude synthetic peptide)

Average holdup BI: 0.98
Holdup BI standard deviation: 0
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.85
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 5.64


Experiment series 3

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 574-583
Protein B site: 14-3-3_pThr579
Protein B modification: (TPO)579
Protein B sequence: RTYSLTTPAR
Protein B construct: RTYSL(pThr)TPAR (crude synthetic peptide)

Average holdup BI: 0.99
Holdup BI standard deviation: 0.01
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.43
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
Measured pKd: 5.76


Experiment series 4

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 574-583
Protein B site: 14-3-3_pThr579
Protein B modification: (TPO)579
Protein B sequence: RTYSLTTPAR
Protein B construct: RTYSL(pThr)TPAR (crude synthetic peptide)

Average holdup BI: 0.98
Holdup BI standard deviation: 0
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.25
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 5.65


Experiment series 5

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 427-436
Protein B site: 14-3-3_pSer432
Protein B modification: (SEP)432
Protein B sequence: HSRSMSMPVA
Protein B construct: HSRSM(pSer)MPVA (crude synthetic peptide)

Average holdup BI: 0.79
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.35
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
Measured pKd: 4.43


Experiment series 6

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 379-388
Protein B site: 14-3-3_pSer384
Protein B modification: (SEP)384
Protein B sequence: GARPVSVAGS
Protein B construct: GARPV(pSer)VAGS (crude synthetic peptide)

Average holdup BI: 0.17
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 4.37
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 7

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 603-612
Protein B site: 14-3-3_pSer608
Protein B modification: (SEP)608
Protein B sequence: ATFSGSAGRL
Protein B construct: ATFSG(pSer)AGRL (crude synthetic peptide)

Average holdup BI: 0.08
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 4.21
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 8

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 718-727
Protein B site: 14-3-3_pSer723
Protein B modification: (SEP)723
Protein B sequence: RTFPASGGGY
Protein B construct: RTFPA(pSer)GGGY (crude synthetic peptide)

Average holdup BI: 0.13
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.83
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 9

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 718-727
Protein B site: 14-3-3_pSer723
Protein B modification: (SEP)723
Protein B sequence: RTFPASGGGY
Protein B construct: RTFPA(pSer)GGGY (crude synthetic peptide)

Average holdup BI: 0.1
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.68
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 10

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 718-727
Protein B site: 14-3-3_pSer723
Protein B modification: (SEP)723
Protein B sequence: RTFPASGGGY
Protein B construct: RTFPA(pSer)GGGY (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.37
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 11

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 603-612
Protein B site: 14-3-3_pSer608
Protein B modification: (SEP)608
Protein B sequence: ATFSGSAGRL
Protein B construct: ATFSG(pSer)AGRL (crude synthetic peptide)

Average holdup BI: 0.12
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.31
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 12

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 603-612
Protein B site: 14-3-3_pSer608
Protein B modification: (SEP)608
Protein B sequence: ATFSGSAGRL
Protein B construct: ATFSG(pSer)AGRL (crude synthetic peptide)

Average holdup BI: 0.08
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.15
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 13

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 427-436
Protein B site: 14-3-3_pSer432
Protein B modification: (SEP)432
Protein B sequence: HSRSMSMPVA
Protein B construct: HSRSM(pSer)MPVA (crude synthetic peptide)

Average holdup BI: 0.81
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.44
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 4.58


Experiment series 14

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 379-388
Protein B site: 14-3-3_pSer384
Protein B modification: (SEP)384
Protein B sequence: GARPVSVAGS
Protein B construct: GARPV(pSer)VAGS (crude synthetic peptide)

Average holdup BI: 0.09
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.38
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 15

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 341-350
Protein B site: 14-3-3_pSer346
Protein B modification: (SEP)346
Protein B sequence: RSRTDSLAAT
Protein B construct: RSRTD(pSer)LAAT (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.78
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 16

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 518-527
Protein B site: 14-3-3_pSer523
Protein B modification: (SEP)523
Protein B sequence: SNTPESIAET
Protein B construct: SNTPE(pSer)IAET (crude synthetic peptide)

Average holdup BI: 0.38
Holdup BI standard deviation: 0.23
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.73
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 3.74


Experiment series 17

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1159-1168
Protein B site: 14-3-3_pSer1164
Protein B modification: (SEP)1164
Protein B sequence: TPVSPSFAHN
Protein B construct: TPVSP(pSer)FAHN (crude synthetic peptide)

Average holdup BI: -0.07
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.65
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 18

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 379-388
Protein B site: 14-3-3_pSer384
Protein B modification: (SEP)384
Protein B sequence: GARPVSVAGS
Protein B construct: GARPV(pSer)VAGS (crude synthetic peptide)

Average holdup BI: 0.08
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.53
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 19

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 341-350
Protein B site: 14-3-3_pSer346
Protein B modification: (SEP)346
Protein B sequence: RSRTDSLAAT
Protein B construct: RSRTD(pSer)LAAT (crude synthetic peptide)

Average holdup BI: -0.22
Holdup BI standard deviation: 0.21
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.36
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 20

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 341-350
Protein B site: 14-3-3_pSer346
Protein B modification: (SEP)346
Protein B sequence: RSRTDSLAAT
Protein B construct: RSRTD(pSer)LAAT (crude synthetic peptide)

Average holdup BI: 0.03
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.19
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 21

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 518-527
Protein B site: 14-3-3_pSer523
Protein B modification: (SEP)523
Protein B sequence: SNTPESIAET
Protein B construct: SNTPE(pSer)IAET (crude synthetic peptide)

Average holdup BI: 0.15
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.19
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 22

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1171-1180
Protein B site: 14-3-3_pSer1176
Protein B modification: (SEP)1176
Protein B sequence: RHNSASVENV
Protein B construct: RHNSA(pSer)VENV (crude synthetic peptide)

Average holdup BI: 0.13
Holdup BI standard deviation: 0.11
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.13
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 23

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 725-734
Protein B site: 14-3-3_pSer730
Protein B modification: (SEP)730
Protein B sequence: GGYKASSPAE
Protein B construct: GGYKA(pSer)SPAE (crude synthetic peptide)

Average holdup BI: -0.03
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.78
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 24

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 555-564
Protein B site: 14-3-3_pSer560
Protein B modification: (SEP)560
Protein B sequence: SYRRVSGDAA
Protein B construct: SYRRV(pSer)GDAA (crude synthetic peptide)

Average holdup BI: -0.32
Holdup BI standard deviation: 0.53
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.73
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 25

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1278-1287
Protein B site: 14-3-3_pSer1283
Protein B modification: (SEP)1283
Protein B sequence: PGDKSSWGRT
Protein B construct: PGDKS(pSer)WGRT (crude synthetic peptide)

Average holdup BI: 0.05
Holdup BI standard deviation: 0.08
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.56
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 26

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 555-564
Protein B site: 14-3-3_pSer560
Protein B modification: (SEP)560
Protein B sequence: SYRRVSGDAA
Protein B construct: SYRRV(pSer)GDAA (crude synthetic peptide)

Average holdup BI: -0.2
Holdup BI standard deviation: 0.42
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.48
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 27

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1181-1190
Protein B site: 14-3-3_pSer1186
Protein B modification: (SEP)1186
Protein B sequence: SLRKSSEGGV
Protein B construct: SLRKS(pSer)EGGV (crude synthetic peptide)

Average holdup BI: -0.09
Holdup BI standard deviation: 0.19
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.4
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 28

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1278-1287
Protein B site: 14-3-3_pSer1283
Protein B modification: (SEP)1283
Protein B sequence: PGDKSSWGRT
Protein B construct: PGDKS(pSer)WGRT (crude synthetic peptide)

Average holdup BI: -0.03
Holdup BI standard deviation: 0.08
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.37
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 29

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1159-1168
Protein B site: 14-3-3_pSer1164
Protein B modification: (SEP)1164
Protein B sequence: TPVSPSFAHN
Protein B construct: TPVSP(pSer)FAHN (crude synthetic peptide)

Average holdup BI: -0.02
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.3
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 30

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 518-527
Protein B site: 14-3-3_pSer523
Protein B modification: (SEP)523
Protein B sequence: SNTPESIAET
Protein B construct: SNTPE(pSer)IAET (crude synthetic peptide)

Average holdup BI: -0.06
Holdup BI standard deviation: 0.21
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.29
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 31

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 725-734
Protein B site: 14-3-3_pSer730
Protein B modification: (SEP)730
Protein B sequence: GGYKASSPAE
Protein B construct: GGYKA(pSer)SPAE (crude synthetic peptide)

Average holdup BI: -0.03
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.27
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 32

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 725-734
Protein B site: 14-3-3_pSer730
Protein B modification: (SEP)730
Protein B sequence: GGYKASSPAE
Protein B construct: GGYKA(pSer)SPAE (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.12
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 33

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 555-564
Protein B site: 14-3-3_pSer560
Protein B modification: (SEP)560
Protein B sequence: SYRRVSGDAA
Protein B construct: SYRRV(pSer)GDAA (crude synthetic peptide)

Average holdup BI: -0.08
Holdup BI standard deviation: 0.93
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.07
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 34

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1278-1287
Protein B site: 14-3-3_pSer1283
Protein B modification: (SEP)1283
Protein B sequence: PGDKSSWGRT
Protein B construct: PGDKS(pSer)WGRT (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.06
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 35

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 730-739
Protein B site: 14-3-3_pSer735
Protein B modification: (SEP)735
Protein B sequence: SSPAESSPED
Protein B construct: SSPAE(pSer)SPED (crude synthetic peptide)

Average holdup BI: 0.06
Holdup BI standard deviation: 0.79
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.05
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 36

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1171-1180
Protein B site: 14-3-3_pSer1176
Protein B modification: (SEP)1176
Protein B sequence: RHNSASVENV
Protein B construct: RHNSA(pSer)VENV (crude synthetic peptide)

Average holdup BI: -0.02
Holdup BI standard deviation: 0.34
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.05
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 37

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 1159-1168
Protein B site: 14-3-3_pSer1164
Protein B modification: (SEP)1164
Protein B sequence: TPVSPSFAHN
Protein B construct: TPVSP(pSer)FAHN (crude synthetic peptide)

Average holdup BI: 0
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.03
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 38

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 730-739
Protein B site: 14-3-3_pSer735
Protein B modification: (SEP)735
Protein B sequence: SSPAESSPED
Protein B construct: SSPAE(pSer)SPED (crude synthetic peptide)

Average holdup BI: 0.03
Holdup BI standard deviation: 0.6
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.03
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 39

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: IRS2
Protein B fragment: 574-583
Protein B site: 14-3-3_pThr579
Protein B modification: (TPO)579
Protein B sequence: RTYSLTTPAR
Protein B construct: biotin-ttds-RTYSL(pThr)TPAR (HPLC-purified synthetic peptide)

Measured dissociation constant (10-6M): 8.6
Standard deviation of dissociation constant (10-6M): 1
Experiment method: competitive Fluorescence Polarization
Details of affinity fitting: Competitive binding equation in ProFit

Date of measurement: 2022.02.09
Number of measurements: 3
Measured pKd: 5.06